<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<script>
    import  jwt_decode from 'jwt-decode';
    export default {
        name: 'app',
        created(){
            //console.log("lolaosdlalsfasdsad");
            if (localStorage.eleToken)
            {
                const decoded=jwt_decode(localStorage.eleToken);
                //存储到vuex中
                this.$store.dispatch("setAuthenticated",!this.isEmpty(decoded));
                this.$store.dispatch("setUser",decoded);
            }
        },
        methods:{
            isEmpty(value)
            {
                return(
                    value===undefined ||
                    value === null ||
                    (typeof  value==="object" && Object.keys(value).length===0) ||
                    (typeof  value==="string" && value.trim().length===0)
                )
            }
        }
    }
</script>
<style>
  html, body, div, span, applet, object, iframe,
  h1, h2, h3, h4, h5, h6, p, blockquote, pre,
  a, abbr, acronym, address, big, cite, code,
  del, dfn, em, img, ins, kbd, q, s, samp,
  small, strike, strong, sub, sup, tt, var,
  b, u, i, center,
  dl, dt, dd, ol, ul, li,
  fieldset, form, label, legend,
  table, caption, tbody, tfoot, thead, tr, th, td,
  article, aside, canvas, details, embed,
  figure, figcaption, footer, header, hgroup,
  menu, nav, output, ruby, section, summary,
  time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
  }
  /* HTML5 display-role reset for older browsers */
  article, aside, details, figcaption, figure,
  footer, header, hgroup, menu, nav, section {
    display: block;
  }
  body {
    line-height: 1;
  }
  ol, ul {
    list-style: none;
  }
  blockquote, q {
    quotes: none;
  }
  blockquote:before, blockquote:after,
  q:before, q:after {
    content: '';
    content: none;
  }
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
  html,
  body,
  #app {
    width: 100%;
    height: 100%;
  }
  .head{
    margin-top: 10px;
    text-align: right;
    font-family: Georgia;
  }
  .title{
    margin-left: 30px;
    margin-top: 10px;
    font-size: large;
    font-weight: bold;
  }

  .el-input{
    width: 600px;
  }
  .el-select{
    width: 600px;
  }
  .el-form{
    margin-left: 40px;
    margin-top: 20px;
  }
  .el-table{
    margin-top: 20px;
  }
</style>
